clavister.dk

📜 Historical scan 2026-07-27 03:40:04 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

clavister.dk is a .dk domain served by 4 nameservers (dns1.clavister.com, dns2.clavister.com, dns3.clavister.com and 1 more). It was registered on 23 April 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 88.131.48.13 is hosted by Tele2 SWIPnet (AS1257) in Sweden. Mail is handled by .. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 74ms

Nameserver	IP addresses	PTR	ASN / ISP
dns1.clavister.com	88.131.48.10	dns1.clavister.com	AS1257 Tele2 SWIPnet
dns2.clavister.com	158.174.3.11	—	AS8473 Bahnhof AB
dns3.clavister.com	54.217.242.248	ec2-54-217-242-248.eu-west-1.compute.amazonaws.com	AS16509 Amazon.com, Inc.
dns4.clavister.com	91.134.227.12	ip12.ip-91-134-227.eu	AS16276 OVH SAS

🌍 A Records#

1 records 72ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
88.131.48.13	1800s	13.0-25.48.131.88.in-addr.arpa www.clavister.com	AS1257	Tele2 SWIPnet	88.131.0.0/16	🇸🇪 Sweden	Kista

📧 MX Records#

1 records 74ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	43200s	. Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 477ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (clavister.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.clavister.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc-adra@clavister.com; ruf=mailto:dmarc-fdra@clavister.com; fo=0:1:d:s; adkim=s; aspf=s; pct=100; rf=afrf; ri=86400; sp=reject

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-09 10:30:16

www	88.131.48.13 (AS1257) (address records, no CNAME)
www vs bare domain	Same network clavister.dk: 88.131.48.13 (AS1257) www.clavister.dk: 88.131.48.13 (AS1257)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

178ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

97ms

Field	Value
Serial	2025081200
Primary NS (MNAME)	dns1.clavister.com
Responsible (RNAME)	registry@clavister.com
Refresh	5000s
Retry	300s
Expire	1809600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-12 23:03:53

Field	Value
Registrar	InterNetX GmbH
Registered	2012-04-23
Expires	2027-04-30 (195d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

74ms

72ms

74ms

AAAA

69ms

TXT

477ms

CAA

70ms

HTTPS

163ms

TLSA

57ms

SOA

97ms

MTA-STS

105ms

DNSSEC

178ms

SRV

212ms

Total

25471ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 10:30:16	17013ms	4 NS 1 A 1 MX	🔓 Insecure
2026-09-24 22:40:28	19817ms	4 NS 1 A 1 MX	🔓 Insecure
2026-07-27 03:40:04 shown	25471ms	4 NS 1 A 1 MX	🔓 Insecure
2026-07-02 01:27:45	16598ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-16 21:11:22	4053ms	4 NS 1 A 0 MX	🔓 Insecure